AGNEUS PV is a company founded by the electronic engineer S. Gual, very experienced in electric power conversion solutions and well-known in the photovoltaic energy comunity. He has published several succesfull papers in international forums as EPQU 2007, EU PVSEC 2008, SmartGrids 2007 and the "4th European PV-Hybrid and Mini-Grid Conference" in Greece 2008. AGCD840V20 is the first of a new revolutionary generation of Solar Battery Charge Controllers manufactured by AGNEUS PV: a low cost battery charge controller specifically designed for Small PhotoVoltaic applications but, instead of our competence, we offer the cutting edge power conversion solutions that provide reliable electric power for the renewable photovoltaic energy.